GB2020427A - Improvements in or relating to thermostatic devices - Google Patents

Improvements in or relating to thermostatic devices

Info

Publication number
GB2020427A
GB2020427A GB7913154A GB7913154A GB2020427A GB 2020427 A GB2020427 A GB 2020427A GB 7913154 A GB7913154 A GB 7913154A GB 7913154 A GB7913154 A GB 7913154A GB 2020427 A GB2020427 A GB 2020427A
Authority
GB
United Kingdom
Prior art keywords
bellows
relating
reservoir
actuator
move
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GB7913154A
Other versions
GB2020427B (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kohler Mira Ltd
Original Assignee
Kohler Mira Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kohler Mira Ltd filed Critical Kohler Mira Ltd
Priority to GB7913154A priority Critical patent/GB2020427B/en
Priority to IE80179A priority patent/IE47947B1/en
Publication of GB2020427A publication Critical patent/GB2020427A/en
Application granted granted Critical
Publication of GB2020427B publication Critical patent/GB2020427B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/01—Control of temperature without auxiliary power
    • G05D23/13—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures
    • G05D23/1306—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures for liquids
    • G05D23/132—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures for liquids with temperature sensing element
    • G05D23/1326—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures for liquids with temperature sensing element details of the sensor
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/01—Control of temperature without auxiliary power
    • G05D23/02—Control of temperature without auxiliary power with sensing element expanding and contracting in response to changes of temperature
    • G05D23/021—Control of temperature without auxiliary power with sensing element expanding and contracting in response to changes of temperature the sensing element being a non-metallic solid, e.g. elastomer, paste

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Temperature-Responsive Valves (AREA)
  • Accessories For Mixers (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Multiple-Way Valves (AREA)

Abstract

Thermally expansible material, e.g. wax, is disposed in an expansion chamber 6 defined between a hollow body 2 and a bellows 4 and also in a reservoir 7 located externally of the body 2 and communicating with the expansion chamber 6. The bellows 4 is sealed to the chamber 6 at the lower end as shown, while its upper end is closed and is free to move and carries an actuator 5. Thermal expansion of the material compresses the bellows 4 to move the actuator 5 for controlling a mixer valve. The reservoir 7 may be coil- or cone- shape. <IMAGE>
GB7913154A 1978-05-06 1979-04-12 Thermostatic devices Expired GB2020427B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB7913154A GB2020427B (en) 1978-05-06 1979-04-12 Thermostatic devices
IE80179A IE47947B1 (en) 1978-05-06 1979-08-08 Improvements in or relating to thermostatic devices

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1812278 1978-05-06
GB7913154A GB2020427B (en) 1978-05-06 1979-04-12 Thermostatic devices

Publications (2)

Publication Number Publication Date
GB2020427A true GB2020427A (en) 1979-11-14
GB2020427B GB2020427B (en) 1983-02-16

Family

ID=26253178

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7913154A Expired GB2020427B (en) 1978-05-06 1979-04-12 Thermostatic devices

Country Status (2)

Country Link
GB (1) GB2020427B (en)
IE (1) IE47947B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK156337B (en) * 1979-09-17 1989-08-07 Tour & Andersson Ab thermocouple
EP0375335A2 (en) * 1988-12-22 1990-06-27 Caradon Mira Limited Improvements in or relating to thermoscopic units

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK156337B (en) * 1979-09-17 1989-08-07 Tour & Andersson Ab thermocouple
EP0375335A2 (en) * 1988-12-22 1990-06-27 Caradon Mira Limited Improvements in or relating to thermoscopic units
EP0375335A3 (en) * 1988-12-22 1991-12-11 Caradon Mira Limited Improvements in or relating to thermoscopic units

Also Published As

Publication number Publication date
IE47947B1 (en) 1984-07-25
GB2020427B (en) 1983-02-16
IE790801L (en) 1979-11-06

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950412